Alf O'Sullivan (Bernie O'Brien) boxer
- bouts
- 50
- won
- 26
- lost
- 20
- draw
- 4
- Status
- inactive
- Division
- welterweight
- Debut
- 1954-07-30
- Height
- 5′ 7″/170cm
- Reach
- -
- Age
- -
- Born
- 1936-08-29
- Death
- -
- Nationality
- Australia
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1975-07-09 | Seamus McGohan | WDWWWL | Marrickville RSL Club, Sydney | LOST Points |
| 1975-04-17 | Joe Keresi | W | Blacktown RSL Club, Sydney | LOST Points |
| 1975-02-12 | Johnny Layton | LLWWWW | Marrickville RSL Club, Sydney | WIN Points |
| 1961-08-04 | Kid Lewis | WWWWWW | Festival Hall, Melbourne | LOST Technical knockout |
| 1961-06-23 | Young Macka | LWWDWD | Festival Hall, Melbourne | WIN Technical knockout |
| 1960-06-17 | Gary Cowburn | WWWLWW | Festival Hall, Brisbane | LOST KO |
| 1960-05-27 | Genji Sakai | LLDWLL | Festival Hall, Melbourne | WIN Points |
| 1960-05-06 | Altidoro Polidori | DLLLLL | Festival Hall, Melbourne | WIN Points |
| 1960-03-18 | Steve Nittes | WWDLWW | Festival Hall, Melbourne | LOST Points |
| 1959-07-20 | Phil Wallace | LWWWWW | Civic Centre, Invercargill | LOST Points |
| 1959-07-08 | Phil Wallace | LLWWWW | Civic Theatre, Invercargill | LOST Points |
| 1959-07-03 | Ronnie Rush | LLLWDD | West Melbourne Stadium, Melbourne | WIN KO |
| 1959-06-26 | Ronnie Rush | DLLLWD | West Melbourne Stadium, Melbourne | DRAW Points |
| 1959-04-17 | Johnny Butterworth | WLLLDL | West Melbourne Stadium, Melbourne | LOST Points |
| 1959-02-24 | Joe McNally | LWWWWL | Carlaw Park, Auckland | WIN |
| 1959-01-29 | Joe McNally | WLWWWW | Carrisbrook Stadium, Dunedin | WIN Points |
| 1958-11-21 | Alfie Carey | WLWLWL | West Melbourne Stadium, Melbourne | WIN Technical knockout |
| 1958-10-27 | Brian Sams | WWWWWW | Sydney Stadium, Sydney | WIN KO |
| 1958-10-10 | Stan Hayward | LWWWWW | Festival Hall, Melbourne | LOST Points |
| 1958-09-19 | Don McDonnell | WWWWLW | West Melbourne Stadium, Melbourne | WIN KO |
| 1958-06-17 | Peter Graham | WWWWWW | Christchurch, Canterbury | WIN Technical knockout |
| 1958-05-16 | Franco Rosini | WLLWWW | West Melbourne Stadium, Melbourne | LOST Points |
| 1958-04-26 | Lou Francis | LDLLLL | West Melbourne Stadium, Melbourne | WIN KO |
| 1958-02-28 | Sammy Bonnici | LLLLWW | Broken Hill Stadium, Broken Hill | LOST Points |
| 1957-11-22 | Phil Wallace | WLWL | West Melbourne Stadium, Melbourne | DRAW Points |
| 1957-10-18 | Ron Krogh | WWWWLL | West Melbourne Stadium, Melbourne | WIN KO |
| 1957-08-23 | Don McDonnell | WLLLW | West Melbourne Stadium, Melbourne | LOST Points |
| 1957-07-26 | Les Harrison | WWWLWW | West Melbourne Stadium, Melbourne | LOST Points |
| 1957-07-05 | Phil Wallace | debut | West Melbourne Stadium, Melbourne | LOST Points |
| 1957-06-28 | Ron Pollock | WWWWWW | West Melbourne Stadium, Melbourne | WIN Points |
| 1957-05-18 | Ray Richards | WWLWLL | West Melbourne Stadium, Melbourne | LOST KO |
| 1957-01-19 | Johnny Carter | WLLLLL | West Melbourne Stadium, Melbourne | WIN Technical knockout |
| 1956-04-12 | Johnny Sullivan | debut | Prahran Town Hall, Melbourne | WIN KO |
| 1956-03-22 | Dick Lowe | LLLLLL | Collingwood Town Hall, Melbourne | WIN KO |
| 1956-03-01 | Frank Martin | LL | Collingwood Town Hall, Melbourne | WIN KO |
| 1956-02-02 | Bill Powell | LLWW | Collingwood, Melbourne | WIN KO |
| 1955-10-06 | Johnny Preece | L | Collingwood Town Hall, Melbourne | DRAW Points |
| 1955-08-30 | Johnny Short | WWLWWW | Melbourne | LOST Points |
| 1955-07-29 | Terry Milner | LWWDLL | Melbourne | WIN KO |
| 1955-06-06 | Johnny Short | WWWWLW | North Melbourne Town Hall, Melbourne | LOST Points |
| 1955-04-21 | Brian Kelly | WLWLLL | North Melbourne Town Hall, Melbourne | WIN KO |
| 1955-03-24 | George Sampson | LLL | Kensington Town Hall, Melbourne | LOST Points |
| 1955-03-17 | Brian Kelly | WWLWLL | Kensington Town Hall, Melbourne | WIN Points |
| 1955-03-02 | Terry Milner | LLWWDL | West Melbourne Stadium, Melbourne | WIN Points |
| 1955-02-10 | Terry Milner | WLLWWD | Melbourne | WIN Points |
| 1955-02-03 | Terry Milner | LWLLWW | West Melbourne Stadium, Melbourne | DRAW Points |
| 1955-01-21 | Peter Almasi | LW | West Melbourne Stadium, Melbourne | WIN Points |
| 1954-09-17 | Kevin Saunders | L | West Melbourne Stadium, Melbourne | LOST Technical knockout |
| 1954-08-27 | Mario Mazzotti | debut | West Melbourne Stadium, Melbourne | WIN Points |
| 1954-07-30 | Les Johnson | debut | West Melbourne Stadium, Melbourne | LOST Points |